diff --git a/lbtt/ChangeLog b/lbtt/ChangeLog
index 3d41df892..e71afb90e 100644
--- a/lbtt/ChangeLog
+++ b/lbtt/ChangeLog
@@ -1,5 +1,7 @@
 2004-01-16  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
+	* src/TestOperations.cc: Include sys/wait.h.
+
 	* src/Alloc.h: Rename as ...
 	* src/ObstackAlloc.h: ... this.  The problem is that alloc.h is a
 	system header in g++ < 3.0, and Darwin has a case-insensitive
diff --git a/lbtt/src/TestOperations.cc b/lbtt/src/TestOperations.cc
index 12feb4a5e..b215b3705 100644
--- a/lbtt/src/TestOperations.cc
+++ b/lbtt/src/TestOperations.cc
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 1999, 2000, 2001, 2002, 2003
+ *  Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
  *  Heikki Tauriainen <Heikki.Tauriainen@hut.fi>
  *
  *  This program is free software; you can redistribute it and/or
@@ -26,6 +26,7 @@
 #include <cstdio>
 #include <cstdlib>
 #include <sys/times.h>
+#include <sys/wait.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif /* HAVE_UNISTD_H */